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Car Forum / Nissan / Nissan Cars / March 2006Please Help::90 Nissan Sentra Won't Start
Any Assistance Would be GREATLY appreciated!!! 90 Sentra will not start. I am getting spark (arcs from plug wire). Engine is cranking normally (err err errr). I am getting fuel (fuel injectors spraying while turning over)... It just won't start. Checked continuity of relays and those seem to be checking out, however through checking the relays I've lost power to the dash!?! Any suggestions? UPDATE> Fixed dash light problem. Had blown a couple fuses. My brother checked with voltmeter that was inaccurate. Visual inspection worked best. Car still won't start. No trouble codes stored in ECM. Neutural Safety switch is ok. Still have spark/fuel/air... Still won't start. Pulled Valve Cover, timing chain is operable, rockers rocking when cranking... Still won't start?! My 90 Nissan Sentra exhibits the same exact problems. Maybe some relay is bad? I see spark, I have dumped 1/4 gasoline down the throttle Body Injection throat. It goes erra erra, erra, almost seems to want to start but not quite. Changed out the ignition coil ($45) because in the dark at night time I saw spark jump from Ignition coil output to the metal core of the ignition transformer. Still no change after changing the ignition coil. Will now change out the wire going from ignition coil to rotor cap. When using a timing light, I noticed a double flash on spark plug wire 1 and spark plug wire 4. But maybe that was just a problem with the timing light pickup clamp??? AndyJ would like to hear of your solution if you find one. Seems on the 90 Nissan Maxima that the ECU relay goes bad. http://groups.google.com/group/alt.autos.nissan.maxima/browse_thread/thread/a4a7 ab3ed88a0d4b/2ed75b3866f65771?lnk=raot#2ed75b3866f65771 PROBLEM SOLVED so to speak. It's not good. It turned out to be the timing chain. I had removed the valve cover and turned the engine over to see if the rockers were moving they were. And the chain was spinning and had tension. However, apparently, allegedly, so said MIDAS for $40 it had come out of alignment on the bottom where one can't see it just by pulling the valve cover. The way they came to this conclusion was to hook it up to a timing gun and follow normal procedure for adjusting timing. Because they couldn't get it to fall within spec. So they arrived to the conclusion that is the chain. Good Luck! Mines going to the salvage yard! And is it just me or are people asking WAY too much for a used HONDA :) |
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